2984505-88-4

((2-(((2S)-1-((2S,4S)-4-((7-(2-(2,6-Dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)hept-6-yn-1-yl)oxy)-2-((R)-2-phenylmorpholine-4-carbonyl)pyrrolidin-1-yl)-3,3-dimethyl-1-oxobutan-2-yl)carbamoyl)benzo[b]thiophen-5-yl)difluoromethyl)phosphonic acid